"Millionaire": Wednesday's episode featuring Ken Jennings was watched by 6.88 million viewers, up from Tuesday. Last night's show dipped slightly to 6.84 million.
Last night's "Big Brother" scored 7.33 million viewers, winning the 8 PM timeslot.
Elsewhere, "America's Got Talent" had 10.29 million watch its latest results show; like this week's performance episode, the rating was down from last week. Also, the sixth season premiere of "Top Chef" had 2.6 million viewers, down slightly from last season's debut. The finale of "Top Chef Masters" was viewed by 2.42 million; "Top Chef Masters" is now the highest-rated first season reality competition series in Bravo history. And the debut of "Project Runway" on Lifetime scored a 3.3 household rating, which is a new record for both the series and the network in terms of season premieres.
Source: The Futon Critic